Finding the Fourth Proportional to 11,191,190.49, 15,443,843.63 and 6,362,294.49
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Solution
The fourth proportional to 11,191,190.49, 15,443,843.63 and 6,362,294.49 is: 8,779,966.82
Step by Step Solution
- Step 1: Write the proportion equation
11,191,190.49 : 15,443,843.63 = 6,362,294.49 : x - Step 2: Convert to fraction form
11,191,190.49/15,443,843.63 = 6,362,294.49/x - Step 3: Cross multiply
11,191,190.49x = 15,443,843.63 × 6,362,294.49 - Step 4: Simplify right side
11,191,190.49x = 98,258,281,199,759.12 - Step 5: Solve for x
x = 98,258,281,199,759.12/11,191,190.49 - Step 6: Final answer
x = 8,779,966.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.